Siemens SIMATIC Manual page 331

6.5 Analog input module SM 331; AI 8 x 14 Bit High Speed; isochrone; (6ES7331-7HF0x-0AB0)
Wiring: 2-wire and 4-wire transducers for current measurement
Figure 6-8 Block diagram and wiring diagram
Measuring range module settings
S7-300 Module data
Manual, 06/2017, A5E00105505-AJ
Measuring range
2-wire transducer
4-wire transducer
4 mA to 20mA
± 20mA
0 mA to 20mA
4 mA to 20mA
Analog modules
Measuring range module setting
D
C
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